I have uploaded the finalized rpms and source rpms of milter-greylist compiled with libspf2 support and the rpms for libspf2 itself to the following location: http://files.eschauzier.org/milter-greylist/ This directory also holds rpms for spamass-milter with an additional patch to avoid scanning of messages from authenticated users (see http://savannah.nongnu.org/patch/?5241) Rudy. --- In milter-greylist@yahoogroups.com, "reschauzier" <reschauzier@...> wrote: > > The problem has gone away after applying the res_ninit patch. > > Thanks for helping out! > > --- In milter-greylist@yahoogroups.com, "Johann E. Klasek" > <johann@> wrote: > > > > On Fri, Mar 14, 2008 at 09:39:32PM -0000, reschauzier wrote: > > > See below. Let me know if you need additional info. > > > > > > Rudy. > > > > > > Core was generated by `/usr/bin/milter-greylist -P > > > /var/milter-greylist/milter-greylist.pid -p /var/mi'. > > > Program terminated with signal 11, Segmentation fault. > > > #0 0x00c75f6c in free () from /lib/libc.so.6 > > > (gdb) thread apply all bt full > > > > > [..] > > > > > > Thread 1 (process 13734): > > > #0 0x00c75f6c in free () from /lib/libc.so.6 > > > No symbol table info available. > > > #1 0x0014ae74 in __res_ndestroy () from /usr/lib/libbind.so.4 > > > No symbol table info available. > > > #2 0x0014b7ee in __res_vinit () from /usr/lib/libbind.so.4 > > > No symbol table info available. > > > #3 0x0014c4f5 in __res_ninit () from /usr/lib/libbind.so.4 > > > No symbol table info available. > > > #4 0x00a71f9c in SPF_dns_resolv_new () from /usr/lib/libspf2.so.2 > > > No symbol table info available. > > > #5 0x00a7003f in SPF_dns_lookup () from /usr/lib/libspf2.so.2 > > > No symbol table info available. > > > #6 0x00a709b2 in SPF_dns_get_client_dom () from /usr/lib/libspf2.so.2 > > > ---Type <return> to continue, or q <return> to quit--- > > > No symbol table info available. > > > #7 0x00a7003f in SPF_dns_lookup () from /usr/lib/libspf2.so.2 > > > No symbol table info available. > > > #8 0x00a7916f in SPF_server_get_record () from /usr/lib/libspf2.so.2 > > > No symbol table info available. > > > #9 0x00a785c3 in SPF_request_query_mailfrom () from > /usr/lib/libspf2.so.2 > > > No symbol table info available. > > [..] > > > > This seems really to be the known res_ninit() issue (see my previous > > posting): The caller have to provide a private data segment, for > > subsequent resolver calls. If this memory area will be not cleared, some > > resolver-library versions are assuming non-zero values of the data > > structure as pointer to not returned malloc'd memory from the past - but > > this assumption is wrong if the malloc'd memory was not wiped with zeros > > and garbage is in the memory segment. Trying to apply free on such a > > surious pointer leads to a segmentation fault (sooner or later). > > > > Hope this helps. > > > > Johann K. > > >
Message
Re: Milter Greylist crashes with libspf2
2008-03-19 by reschauzier
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